The opening practice session for the 2005 Turkish Grand Prix would see Mark and Nick finish in third and fourteenth positions respectively. Both drivers would have moments where they would take to the gravel in a session that was run under cooler than expected conditions.

With Pedro de la Rosa returning to McLaren, replacing Alex Wurz, the first ever practice session would get under way for the Turkish Grand Prix. de la Rosa would be the first driver onto the circuit. He would be followed by several drivers including Ferrari's Michael Schumacher and Toyota's Ricardo Zonta.

Michael would start his first flying lap of the circuit but would abort the lap. With a time of 1m:33.753 Ricardo Zonta would be the first driver to set a time at this new circuit. de la Rosa was close behind and would set a time of 1m:31.038 to be 2.7 seconds quicker. Jordan's third driver Nicolas Kiesa and Red Bull Racing's Tonio Liuzzi were also on the circuit.

Both de la Rosa and Zonta would improve their times but de la Rosa would remain fastest with a 1m:29.4. Kiesa was now in third. With fifteen minutes of the session run de la Rosa would lower his time to a 1m:28.5 now, ahead of Zonta, Liuzzi and Kiesa. there were very few drivers out on the track which was odd given the fact that it is a totally new circuit.

With thirty minutes remaining the race Jordan's had also set times with the order been de la Rosa from Zonta, Liuzzi, Kiesa, Doornbos, Albers, Monteiro,
Karthikeyan, and Toccacelo. McLaren's Kimi Raikkonen would come out and his first lap would see him in third, three seconds off the pace. Kimi would improve to now be in second, with a 1m:29.572, while team-mate Montoya had also set his first time which would see him in fourth.

de la Rosa would improve his time with a 1m:27.882, 1.6 seconds faster than Raikkonen. As the session drew close to the final fifteen minutes Zonta would move into second with the two Renaults of Alonso and Fisichella in fifth and seventh. For the BMW WilliamsF1 team Mark Webber would set a time that would see him in fifth with a 1m:30.425.

BAR's Jenson Button was right behind his possible future team-mate Webber in sixth with a 1m:30.589. Mark would improve his time by half a second to now be in fourth. With fifteen minutes remaining the order was de la Rosa, Zonta, Raikkonen, Webber, Button, Montoya, Alonso, Trulli, Sato, Fisichella, Michael Schumacher, Massa, Liuzzi, Villeneuve, Kiesa, Monteiro, Coulthard, Karthikeyan, Albers, Doornbos, R Schumacher, Barrichello and Toccacelo. Mark Webber would take to the gravel at Turn Ten but was able to continue.

Nick would also have an off track moment when he would go off at Turn one but with ten minutes remaining it would be de la Rosa would suffer from a mechanical problem that would see his car stuck and it would see the session red flagged as it was difficult to remove his car. With five minutes left in the session it was restarted and Button would move in third with a time of 1m:29.279. Alonso would move into fourth while Kimi was now in second.

For Nick Heidfeld he would be down in fourteenth with a 1m:30.847. In the final minutes Button would move back into with a 1m:28.968. But Mark would move into second with a 1m:28.765. But Mark's time there would be short as Raikkonen would move ahead of the Australian with a time of 1m:28.453.

With the chequered flag the top ten would be de la Rosa from Raikkonen, Webber, Zonta, Button, Montoya, Alonso, Michael Schumacher, Sato, and Fisichella.